<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script type="text/javascript" src="js/jquery-3.5.1.js"></script>
    <!-- 引入vue -->
    <script type="text/javascript" src="js/vue.js"></script>

    <link rel="stylesheet" href="js/zTree_v3/css/demo.css" type="text/css">
    <link rel="stylesheet" href="js/zTree_v3/css/zTreeStyle/zTreeStyle.css" type="text/css">
    <script type="text/javascript" src="js/zTree_v3/js/jquery.ztree.core.js"></script>

    <script>
        var zTreeObj;
        var setting = {};
        var zNotes = [{
            name: "test1",
            open: true,
            children: [{
                name: "test1_1"
            }, {
                name: "test1_2"
            }]
        }, {
            name: "test2",
            open: true,
            children: [{
                name: "test2_1"
            }, {
                name: "test2_2"
            }]
        }];
        $(document).ready(function() {
            zTreeObj = $.fn.zTree.init($("#treeDemo"), setting, zNotes);
        });
    </script>

    <script>
    </script>
</head>

<body>
    <div>
        <ul id="treeDemo" class="ztree"></ul>
    </div>

    <button>播放</button>
    <video controls="controls">
        <source src="https://www.bilibili.com/video/BV1gK411V71v">
    </video>

    <iframe height="100" width="120" src="https://www.bilibili.com/video/BV1gK411V71v"></iframe>
</body>

</html>